Results 21 to 30 of about 3,999,163 (365)

Trees “Pierced” by other Trees [PDF]

open access: yesNature, 1874
THE natural phenomenon of one tree within another is very frequently witnessed in India in the case of the “pipal” (vulg. peepul) and the palmyra. The first instance which drew my attention to it was one in which a very large specimen of the former with a stem some 4 ft.
  +10 more sources

Structural diagnosis of historic timber structures: the Diplomatic Room of the of Royal Palace of Naples

open access: yesLoggia, Arquitectura & Restauración, 2012
The aim of this article is to describe the diagnosis process made on the timber structure that holds up the vault of the Diplomatic Room of the Royal Palace in Naples (Italy).
Donato Calicchio   +5 more
doaj   +1 more source

Transcriptome analysis identifies genes involved in the somatic embryogenesis of Eucalyptus

open access: yesBMC Genomics, 2020
Background Eucalyptus, a highly diverse genus of the Myrtaceae family, is the most widely planted hardwood in the world due to its increasing importance for fiber and energy.
Yufei Xiao   +6 more
doaj   +1 more source

Rosa funingensis (Rosaceae), a new species from Yunnan, China [PDF]

open access: yesPhytoKeys, 2023
A new species Rosa funingensis and its variant R. funingensis f. rosea, both collected from Yunnan Province, China, are, for the first time, documented and illustrated in this study.
Ling-Na Zheng   +7 more
doaj   +3 more sources

Comparative analysis of flavonoids, polyphenols and volatiles in roots, stems and leaves of five mangroves [PDF]

open access: yesPeerJ, 2023
Mangrove plants contain a variety of secondary metabolites, including flavonoids, polyphenols, and volatiles, which are important for their survival and adaptation to the coastal environment, as well as for producing bioactive compounds.
Zhihua Wu   +3 more
doaj   +2 more sources

Synchronization in disordered Josephson junction arrays: Small-world connections and the Kuramoto model [PDF]

open access: yes, 2004
We study synchronization in disordered arrays of Josephson junctions. In the first half of the paper, we consider the relation between the coupled resistively- and capacitively shunted junction (RCSJ) equations for such arrays and effective phase models ...
A. Pikovsky   +8 more
core   +2 more sources

Assessment and valorization of treated and non-treated olive mill wastewater (OMW) in the dry region

open access: yesInternational Journal of Recycling of Organic Waste in Agriculture, 2018
Purpose The quantity of Olive by-products does not stop increasing and a water shortage that threatens the olive tree culture; require a serious valuation of these by-products.
Haifa Rajhi   +3 more
doaj   +1 more source

FastTree 2 – Approximately Maximum-Likelihood Trees for Large Alignments

open access: yesPLoS ONE, 2010
Background We recently described FastTree, a tool for inferring phylogenies for alignments with up to hundreds of thousands of sequences. Here, we describe improvements to FastTree that improve its accuracy without sacrificing scalability.
M. Price, Paramvir S. Dehal, A. Arkin
semanticscholar   +1 more source

Fast nuclear staining of head hair roots as a screening method for successful STR analysis in forensics [PDF]

open access: yes, 2014
The success rate of STR profiling of hairs found at a crime scene is quite low and negative results of hair analysis are frequently reported. To increase the success rate of DNA analysis of hairs in forensics, nuclei in hair roots can be counted after ...
Deforce, Dieter   +3 more
core   +2 more sources

Salinity tolerance improvement of in vitro propagated Paulownia tomentosa using proline

open access: yesBulletin of the National Research Centre, 2020
Background Paulownia tomentosa has been used as an ornamental plant and is still vastly used for this objective and can be utilized for the production of energy, wooden building materials, and paper pulp.
Nora Muhammad Youssef   +2 more
doaj   +1 more source

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